Hypothetically Speaking
In a scientific hypothesis, this is the "If" part of the statement, representing the factor that the scientist chooses to change.
What is the Independent Variable?
Often called the "brain" of the cell, this organelle contains the genetic material (DNA) and coordinates all cell activities.
What is the Nucleus?
This term refers to any permanent change in the chemical machinery of a cell's DNA sequence.
What is a mutation?
This biome is characterized by very low rainfall and extreme temperatures, and its plants, like cacti, have evolved to store water in their stems.
What is the Desert?
In physics, this is a push or a pull on an object, often measured in units called Newtons.
What is Force?
This "Then" part of a hypothesis describes the specific results or data you expect to measure during the experiment.
What is the Dependent Variable?
True to the category name, this "powerhouse" organelle is responsible for cellular respiration and providing the cell with energy.
What is the Mitochondrion? (Accept: Mitochondria)
Most mutations aren't "superpowers"; instead, they are described by this word because they do not help or hurt an organism’s chances of survival.
What is neutral?
Often called the "lungs of the world," this biome receives over 200 cm of rain per year and contains the highest biodiversity on Earth.
What is the Tropical Rainforest?
On the Periodic Table, this number represents the total number of protons found in the nucleus of an atom.
DAILY DOUBLE
What is the Atomic Number?
For a hypothesis to be valid in science, it must be this—meaning there must be a way to prove it wrong through an experiment.
DAILY DOUBLE
What is "testable"?
These tiny, grain-like structures are the smallest organelles and have the very big job of making proteins.
DAILY DOUBLE
What are Ribosomes?
In order for a mutation to be passed down to the next generation (inherited), it must occur in these specific types of reproductive cells.
DAILY DOUBLE
What are gametes? (Accept: Egg or Sperm cells)
Found in regions like the American Midwest or the African Savanna, this biome is dominated by various grass species and has few trees due to low rainfall and frequent fires.
What is the Grassland? (Accept: Savanna or Prairie)
This is the specific role or "job" an organism has within its habitat, including what it eats and where it lives.
What is a niche?
Many teachers require this seven-letter word to be added to the end of an "If... then..." statement to provide scientific reasoning for the prediction.
What is "because"?
Acting like a recycling center or "garbage disposal," these organelles use chemicals to break down waste and old cell parts.
What are Lysosomes?
If a mutation helps an organism survive better in its environment (like a polar bear having thicker fur), it is considered this kind of mutation.
What is beneficial (or an adaptation)?
This term describes the highest level of organization in ecology, encompassing all the parts of Earth where life exists—from the deepest oceans to the highest parts of the atmosphere.
What is the Biosphere?
This type of relationship occurs when two different species live closely together, and at least one of them benefits.
DAILY DOUBLE
What is symbiosis?
While a "Control Group" is the baseline used for comparison, these are the specific factors (like temperature, light, or amount of water) that a scientist must keep exactly the same across all groups to ensure a fair test.
What are Constants?
This complex network of folded membranes acts as a "highway" to manufacture and transport proteins and lipids throughout the cell.
What is the Endoplasmic Reticulum? (Accept: ER)
Because DNA codes for these molecules, a mutation can change their shape, preventing them from doing their job in the body.
What are proteins?
This is the primary factor that determines which biome will exist in a certain area—it is the average weather conditions (temperature and rainfall) over a long period of time.
What is Climate?
This is the maximum number of individuals of a particular species that an ecosystem can support over a long period of time without running out of resources.
What is carrying capacity?